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Sagot :

HOUSNISA

Réponse :

Explications étape par étape

A= 5x(-2)x(-5)

  = 5x10

  = 50

B=-0.6x4x3x(-1)

   = 0;6x4x3

    = 7.2

C=39/(-5)

   = -7.8

D= -125/-5

  = 25

E=3x(-4)+6/(-3)-(6-9)

= -12+6/-3-6+9

= -6

IAMCLEO

A) 5 × (-2) × (-5) B) -0,6 × 4 × 3 × (-1)

-10 × (-5) -0,6 × 12 × (-1)

50 -7,2 × (-1)

7,2

C) 39 ÷ (-5) D) -125 ÷ (-5)

-7,8 125 ÷ 5

25

E) 3 × (-4) + 6 ÷ (-3) - (6 - 9 )

-12 + 6 ÷ (-3) - (6 - 9)

-12 + (-2) - (-3)

-14 + 3

-11

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